Hearing Aid Machine are sound-amplifying devices designed to help people who have hearing loss. Most hearing aids share several similar electronic components: A microphone that picks up sound. Amplifier circuitry that makes the sound louder.

What are the three types of hearing?
The three basic categories of hearing loss are sensorineural hearing loss, conductive hearing loss and mixed hearing loss. Here is what patients should know about each type.

Is hearing aid permanent?
In the majority of cases, hearing loss in adults affects both ears and is permanent. The primary management option for permanent hearing loss is hearing aids. All hearing aids consist of a microphone, an amplifier powered by a battery, a receiver, and a means to route the amplified sound into the ear canal.